/*
 * Tencent is pleased to support the open source community by making BK-CI 蓝鲸持续集成平台 available.
 *
 * Copyright (C) 2020 THL A29 Limited, a Tencent company.  All rights reserved.
 *
 * BK-CI 蓝鲸持续集成平台 is licensed under the MIT license.
 *
 * A copy of the MIT License is included in this file.
 *
 *
 * Terms of the MIT License:
 * ---------------------------------------------------
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

package com.tencent.bkrepo.npm.utils

import java.text.SimpleDateFormat
import java.time.LocalDateTime
import java.time.ZoneId
import java.time.ZoneOffset
import java.time.format.DateTimeFormatter
import java.util.Date
import java.util.TimeZone

object TimeUtil {

    const val FORMAT = "yyyy-MM-dd'T'HH:mm:ss.SSS'Z'"

    fun getGMTTime(): String {
        val ldt = LocalDateTime.now(ZoneId.of("GMT"))
        val atZone = ldt.atZone(ZoneOffset.UTC)
        return atZone.toString()
    }

    fun getGMTTime(dateTime: LocalDateTime): String {
        val timeZone = TimeZone.getTimeZone("GMT")
        val time = dateTime.toInstant(ZoneOffset.ofHours(8)).toEpochMilli()
        val simpleDateFormat = SimpleDateFormat(FORMAT)
        simpleDateFormat.timeZone = timeZone
        val date = Date(time)
        return simpleDateFormat.format(date)
    }

    fun compareTime(oldTime: String, newTime: String): Boolean {
        val oldLocalDateTime = LocalDateTime.parse(oldTime, DateTimeFormatter.ISO_DATE_TIME)
        val newLocalDateTime = LocalDateTime.parse(newTime, DateTimeFormatter.ISO_DATE_TIME)
        return oldLocalDateTime.isAfter(newLocalDateTime)
    }

    fun isTimeNotBefore(oldTime: String, newTime: String): Boolean {
        val oldLocalDateTime = LocalDateTime.parse(oldTime, DateTimeFormatter.ISO_DATE_TIME)
        val newLocalDateTime = LocalDateTime.parse(newTime, DateTimeFormatter.ISO_DATE_TIME)
        return !oldLocalDateTime.isBefore(newLocalDateTime)
    }
}
